单选题What is one reason the customer should install IBM System Storage DS8000 Virtual Private Network （VPN） technology for the Call Home function（）A
to avoid using a more expensive dial-up modemB
to load new licensed internal codeC
to achieve more efficient
题目内容(请给出正确答案)
单选题
What is one reason the customer should install IBM System Storage DS8000 Virtual Private Network （VPN） technology for the Call Home function（）
A
to avoid using a more expensive dial-up modem
B
to load new licensed internal code
C
to achieve more efficient and faster problem resolution
